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Hourly Forecast
Daylight Hours
06:11
Sunrise
18:14
Sunset
Moon
Waxing Crescent
09:46
Moonrise
20:49
Moonset
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Weather in Barcelona today, September 15, 2026
Rain features in Barcelona on September 15, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Morning skies stay relatively clear, holding cloud close to 43% near 11:00. The early part of the day favours being outside.
Temperatures climb from an overnight low near 26°C toward a daytime high of about 28°C. The air stays humid, with relative humidity between 82% and 91% and the peak around 04:00. Expect gentle winds, highest near 20:00 at 7.9 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 58% around 15:00. Cloud also stays substantial, close to 70% near 19:00. Horizontal visibility sits around 16.0 km, briefly nearer 13.1 km. Expect sunrise at 06:11, sunset at 18:14, and 12 hours 3 minutes of sunlight today overall.
Overall, Barcelona on September 15, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 58% and the high sits around 28°C.
Frequently asked questions about weather in Barcelona
How warm does it get in Barcelona?
The warmest month in Barcelona is September, with average high temperatures of 29°C. The average temperature during this period is around 28°C.
How cold does it get in Barcelona?
The coldest month in Barcelona is February, with average low temperatures of 24°C. The average temperature during this period is around 25°C.
What is the wettest time of year in Barcelona?
The wettest month in Barcelona is June, with an average of 65mm of precipitation.
What is the driest time of year in Barcelona?
The driest month in Barcelona is January, with an average of 3mm of precipitation.
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